Radiator core



Sept. 4, 192s. 1,683,340

J. MQ FEDDERs RADIATOR'CORE Filed Dec. 2o, 1926 n Q 4 "W j f Patented Sept. 4, 1928.

'U'Nirs S1" iferica.

JOHN MI. FEDDERS, OF BUFFALO, NEV YORK, ASSEGNORTO FEEDERS MANFACTURIG COMPANY, INC., F BFFALO,NEW YORK, A CORPORATION OF NEW YORK.

RADIATOR conn.

Application led December V20, 19.26. Serial No. 155,855.

vThis invention relates to a core for use in radiators whereby the water for gas engines is cooled.

The objects of this invention are to pro? vide a core of this character which will provide a greater radiating surface for the amount of metal which is employed; also to so construct the several units that the saine may be more quickly and reliably assembled without'exercising undue care; also to so organize the several parts that practically all the metal is exposed to the atmosphere so as to secure the' maximumradiation of heat from the water to the air; vand to interlock the severalunits of the core with each other in a manner which will retain the several elements in vtheir proper posi tion and thereby increase the strength and improve the appearance of the core as a whole. y

In the accompanying drawings i Figure 1 is a fragmentary front elevation of a radiator core embodying my improvements. Y Y

Figure 2 is a vertical transverse section of the same taken on line 2-2 Fig. 3.

Figure 3 is a horizontal section takenon line 3 3 Fig. 1.

Figure t is a fragmentary horizontal section taken on line 4-4 Fig. 1.

Figure 5 is a vertical section taken on line 5 5 Fig. 1.

Figures 6 an'dr?l are perspective views of one section of a radiator unit made in accordance with my invention.

Similar characters of reference indicate like parts in the several figures of the draw,-v

inos: A

1"Dlhe radiator core comprises a plurality of water passages 10 which in the present eX- ample are arranged vertically and adapted to communicate at their upper and lower ends with upper and lower water boxes or headers, and a plurality of air tubes 11, 12, which are arrangedhorizontally between the several water passages and extend foreand-aft of the core so as to conductV air there-through and carry .away the heat which is radiated from the water by the metal `surfaces of the core. Y y

i These water passages and air tubes are made from a plurality of sheet `metal strips,l l

each'of which is bent to form a row of wall sections 18 which are arranged in the'l same plane and engage each otlierfat their horizontal longitudinal edges 111 so as to produce a continuous wall; and a plurality lof' fins projecting laterally from' this Wall and eachv 1in having the form of a loop 17 which has its inner longitudinal edges connected with the opposing longitudinal edges of the two adjacent wall sections 13, While the outer side or summit 15 ofY this loop is closed. At the opposite vertical end'edges of the wall sections' 18 vthe same are Aprovided with laterally offset flanges 16, which in the preferred,construction are made of corrugated or Zig-'Zag form, there being preferably one corrugation at each end of one of' the wall sections, as shown in the drawings. p l

Two of such previously prepared Astrips are assembled by placing the inner sides l of the same'together in such manner that the convex faces vof the corrugated flanges on each ofthese strips engage with theconcave faces of the corrugatedflanges of the other strip, while the central parts or Wall sections yof these 'strips are spaced `apart' from one another, thereby forming ay radiator unit which vhas one of the water passages 10 between the two strips.

By inter-engaging the corrugated or serpentine flanges of the strips of a uit, thesev strips are reliably interfitted within each Y other and the-same are also readily centered vstrip for the purpose of sealing the joints between they wall sections and rendering the Vwater tubey continuous and without openings through which water might leak.

The unit when thusl completed', has-the lat; l

- formed within the several loops of'two adif cal, rowA between these units;

jacent units which are arranged in a verti- The several radiating tubesin each vertical row are however spaced apart or out of engagement from each other so' as to torni between the saine and the adjacent wall sections 13, a vertical row 'of air tubes 12 which alternate with the tubes llr'forme'd within the radiating loops! e yBy this means practically all of the metal ofthe several strips ot the core is exposed to the atmosphere which insures the maxiradiating effect ot the heat of the Awater tothe strands of air passing 'through they air tubes,l whereby the radiating capacity` oit-.the core is increased accordingly.

`Ivnthe drawings, each of the radiating loops is of substantially diamond shape in Y cross-section, but this shape maybe varied Vifd esired. In. order to, facilitate the assein'bling of the severalv units and also to'v retain the radiating loops infav centered position with reference the Aopposing wall sections with which thereby preventing t they engage, each of thevwall sectionsl 13 is provided on its outer side with a pair ot eentering ribs 18, which ribs form between thema seat which is engaged bythe summit l'kof. a radiating loo 17 ot' an adjacent unit,

l, loop fromA being displaced at its'outer extremity. in a direction lengthwiseof the strips, thereby preserving a regular and neat appearance of the y from the front, and also increasing its strength and rigidity whereby the saine is to withstand the strains to which it issiibjected in service.

further increasing the E r the purpose of l radiation of heat from the radiating loops toit-he, airwhich passes through the several watertubes, each of these radiating loops is provided on its outer sides with longitudinal rows Vot' embossments 19.A As the air passes through the air tubes, the same strikes these embos'sments and is thereby deflected or agitated in: its course which operates to retard the flow of the air through. these Y and compels the same to take up a.

greater amount of the heat which is being radiated from the water, Vand thereby increase the .cooling etliceiicyk of the radiator ooie accoi dingly.

After the plurality of radiator units has Y been assembled in the manner described, the saine are dipped in a joint solder which not only connects the strips of each unit for producing water-tight tubes, but-valso serves to connect the radiating loop Vor" each unit with the wall sections oi an adjacent unit, so that the several strips arecconnectedto practically torni one integral mass which is strong and durable and capable of sustaining the maximum load which is likely to he im nosed on the saine.

f s a whole, this radiator core is not only "ow Strona and durable but the same @an also'. be Voly easily and; quickly ossomblocl without requiring great skill, after assemblee-oi the parte romain in their proper' relativo' position preparatory to.. boing lSoldered together, thereby enabling av radiator VGolfo of noroased ofloolioy to be produced at comparatively low cost,

I claim as my invention: y

A. radiator Coro having a pluralityy of water passages and a plurality of Vair tubes arranged between said water passages each ot said water passages having opposing walls formed between twon strips of sheet' metalthe central part of each.v consisting of' a` row ot wallv sectionsI which meet at their longitudinal edges and which have their edges4 olif-set, forming flanges which engage one another, yand said air tubes being formed;

by aplurality ot loops each having its edges connected with the meeting edges of two adjooont Wall Sections, and, the Summit' of each. loop engaging with Wall section. of an adjacent strip.

2- A. radiator ooro. bovino water passages and plurality of;v air tubes arranoedbetween said water'passages, each of saiC water passages having oppose ing wallstormed betweeny two' strips of sheet metal, tlie'central part ot eaeh consistingV of a plurality of" row` oi'A wall sections which meet attheir longitudinal edges, and which. have their end edgesv off-set. forming liaiiges which ensoeo one ai1o-tlioisa11flsaidair tubes being, torined'by a plurality of loopseachjhaying its edges connected withthe meeting edges of; tivo adjacent Wallsoefon, each' of.. Said wall sections being provided on its outer Sido. With a poil,- ot ribs, and( oaoli ofesad looioesoatodvth itsv summit between a Pair of said ribs. l l f 8. A radiatory core, having a plurality Vof water passages and a plurality orl air tubes arranged between said waterv passages,said

Coro formed of a plurality. of Shoot mtal stripseaohot whichfis bentjto ,forni a row of wall sections which are arranged in the same plane and engage one anotherl at theirflongitudinall edges,and aurowfof loops project,-

ing laterally from" said wall, sec/'tions' each loop having its longitudinali edges Vclonnected respectively with the longitudinal edges of two adjacent wall sections, the opposite end edges of each strip being corrugated and the corrugations of two adjacent strips being interfitted, each of said wall A5 sections being provided on its outer side with a pair of longitudinal centering ribs, each loop being spaced from adjacent loops and seated with itsv summit between the pair of ribs on adjacent wall section, and each loop being provided with a plurality of longitudi- 10 Vnal rows of embossments.

.In testimony whereof I hereby affix my signature.

JOI-IN MQ FEDDERS. 

